Ukraine has begun a critical investigation after a troubling video surfaced, purportedly showing Russian soldiers executing two surrendered Ukrainian soldiers. The video, which has not yet been independently confirmed, seems to show Russian troops shooting unarmed Ukrainian soldiers at close range, say Ukrainian prosecutors. Potential Breach of Geneva Conventions If verified, this incident would constitute a significant violation of the Geneva Conventions, the body of international law that dictates the rules of armed conflict, particularly the treatment of prisoners of